FLOTEK Thumper Cylinder Head - Assembled - 2.020 in/1.600 in Valve - 185 cc Intake - 60 cc Chamber - 1.460 in Springs - Angle Plug - Small Block Ford PD800K As the originators of STYLE

As the originators of STYLE and performance

TriMetal is an ideal design

Billet Torino Ends

Universal Fit Adjustable

FLOTEK Thumper Cylinder Head - Assembled - 2.020 in/1.600 in Valve - 185 cc Intake - 60 cc Chamber - 1.460 in Springs - Angle Plug - Small Block Ford PD800K As the originators of STYLEProduct Description: Cylinder Head Thumper Assembled Flat Tappet 2. 020 in 1. 600 in Valve 185 cc Intake 60 cc Chamber 1. 460 in Springs Angle Plug Aluminum Natural Small Block Ford Sold Individually Flo Tek manufactures aluminum cylinder heads for big block Chevys and small block Chevy and Fords. Each head comes preassembled with valves and springs.